Flexible mineral insulation anti-biting fireproof cable

Abstract

The utility model discloses a flexible mineral insulated anti-biting fireproof cable, relates to the technical field of cable structures, and aims to solve the problem that a conventional mineral insulated cable is likely to be damaged due to biting in the use process since the conventional mineral insulated cable does not have good anti-biting performance in the use process. According to the technical scheme, the mineral composite cable is characterized in that the mineral composite cable comprises a cable core and a mineral filling layer, the cable core comprises a copper conductor, a wrapping tape layer and a mineral composite insulating layer, a mineral wrapping layer is arranged outside the mineral filling layer, a copper sheath is arranged outside the mineral wrapping layer, a protruding block is arranged outside the copper sheath, and the protruding block is arranged outside the mineral wrapping layer. The cable comprises a copper sheath, an anti-biting layer is arranged outside the copper sheath, an outer sheath is arranged outside the anti-biting layer, the outer sheath is extruded outside the anti-biting layer, a protection end is arranged outside the outer sheath, and the protection end and the outer sheath are of an integrated structure. And the effects of protecting the cable and preventing the cable from being bitten and damaged are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable structure technical field especially is related to a kind of flexible mineral insulation anti-bite fireproof cable. BACKGROUND

[0002] Mineral insulated cable is a kind of copper sheath wrapped copper conductor core wire, and inorganic insulating material is isolated conductor and sheath cable, the outermost layer can be selected as required appropriate protective sleeve, because all materials are inorganic material, so the cable has good fire resistance, and the service life of cable is long, explosion-proof is high, mechanical strength is high and corrosion resistance is high.

[0003] Through retrieval, the authorized announcement No.CN218214693U discloses a kind of flexible mineral insulation fireproof cable, including outer protective sleeve, outer protective sleeve is provided with cable core structure, outer protective sleeve is provided with cable core structure, and the outer wall of cable core structure is equidistantly sleeved with several sleeves, the outer wall of several sleeves is uniformly welded and fixed with multiple spring one, and the end of multiple spring one away from sleeve is fixed with pressure block, the side of pressure block away from spring one is in contact with the inner wall of outer protective sleeve, the cable core structure includes metal oxygen barrier layer, the inner of metal oxygen barrier layer is provided with multiple water insulation layers, and multiple water insulation layers are all inserted with fireproof aluminum sleeve.A kind of flexible mineral insulation fireproof cable, by being provided with sleeve, spring one, pressure plate etc., when flexible mineral insulation fireproof cable receives extrusion, due to the compression of pressure plate spring one, due to the elastic force of spring one, pressure is weakened, protect cable core structure from extrusion, reach the effect of anti-pressure.

[0004] But the existing mineral insulated cable in the process of use, not with good anti-bite performance, make cable in the process of use can be bitten and lead to damage, therefore market is in urgent need of a kind of flexible mineral insulation anti-bite fireproof cable to solve these problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of flexible mineral insulation anti-bite fireproof cable to solve the problems that the existing mineral insulated cable in the process of use is not with good anti-bite performance in the above background art, make cable in the process of use can be bitten and lead to damage.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of flexible mineral insulation bite-proof fireproof cable, including cable core, the cable core includes wire core and mineral filling layer, the wire core includes copper conductor, tape layer and mineral composite insulation layer, the outside of the mineral filling layer is provided with mineral wrapping layer, the outside of the mineral wrapping layer is provided with copper sheath, the outside of the copper sheath is provided with bump, the outside of the copper sheath is provided with bite-proof layer, the outside of the bite-proof layer is provided with outer sheath, and the outer sheath is extruded and wrapped outside the bite-proof layer.

[0008] By adopting the above technical scheme, the cable has good bite-proof effect, and the cable is not easy to be damaged due to biting during use.

[0009] Further, the cable core and the wire core gap are filled with a mineral filling layer, and the mineral filling layer is mica.

[0010] By adopting the above technical scheme, the mineral filling layer can provide better insulation between the wire cores.

[0011] Further, the copper conductor is provided with a plurality of copper conductive filaments, the tape layer is wrapped outside the copper conductor, and the mineral composite insulation layer is extruded and wrapped outside the tape layer.

[0012] By adopting the above technical scheme, the copper conductor formed by twisting the copper conductive filaments has better structural strength, and the tape layer can conveniently wrap and tighten the copper conductor.

[0013] Further, the mineral wrapping layer is wrapped outside the mineral filling layer, and the mineral wrapping layer is glass silk tape.

[0014] By adopting the above technical scheme, the mineral wrapping layer can conveniently tighten the wire core and the mineral filling layer.

[0015] Further, the copper sheath is formed by longitudinally wrapping copper tape and continuously argon arc welding, the bump is an integral structure with the copper sheath, the bump is provided with a plurality of bumps, and the plurality of bumps are sequentially distributed at one end of the copper sheath.

[0016] By adopting the above technical scheme, the copper sheath can be conveniently wrapped and installed, the bump can improve the bite-proof performance of the copper sheath, and the friction effect of the copper sheath can be improved.

[0017] Further, the bite-proof layer includes a protective sleeve and a repellent, the protective sleeve is extruded and wrapped outside the copper sheath, and the repellent is sprayed on the outside of the protective sleeve by a spraying process.

[0018] By adopting the above technical solution and spraying the repellent on the outside of the protective cover, the protective cover has good anti-bite performance.

[0019] Furthermore, a protective end is provided on the outside of the outer sheath, and the protective end and the outer sheath are an integral structure. There are a plurality of protective ends, and the plurality of protective ends are sequentially distributed around the outside of the outer sheath.

[0020] By adopting the above technical solution, the protective end can be bitten when the outer sheath is bitten, thereby protecting the outer sheath and making the cable have a better anti-bite effect.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. The utility model can make the cable have a better anti-bite effect by setting the copper sheath. The provided bumps can improve the anti-bite effect and at the same time increase the friction between the copper sheath and the anti-bite layer, thus preventing the copper sheath from sliding. The outside of the protective sheath is sprayed with a repellent. When the outer sheath is damaged, the repellent can drive away small animals through the repellent, thereby preventing the cable from being further bitten. This can effectively protect the cable and make it less likely to be damaged.

[0023] 2. The utility model provides a protective end for the outer sheath so that the outer sheath can be protected by the protective end when it is bitten, so that the outer sheath is not easily damaged by biting, which can well protect the cable. The multiple protections can well improve the anti-biting performance of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is an overall cross-sectional view of the utility model;

[0025] Figure 2 This is a partial structural diagram of the copper sheath of the present utility model;

[0026] Figure 3 This is a cross-sectional view of the anti-bite layer of the utility model;

[0027] Figure 4 For the utility model Figure 1 A partial enlarged view of area A.

[0028] In the figure: 1. Cable core; 2. Wire core; 3. Copper conductor; 4. Tape layer; 5. Mineral composite insulation layer; 6. Mineral filling layer; 7. Mineral wrapping layer; 8. Copper sheath; 801. Bump; 9. Anti-bite layer; 901. Protective sleeve; 902. Repellent; 10. Outer sheath; 1001. Protective end. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0030] Please refer to Figures 1-4 The utility model provides an embodiment: a kind of flexible mineral insulation anti-bite fireproof cable, including cable core 1, cable core 1 includes wire core 2 and mineral filling layer 6, cable core 1 and wire core 2 gap are filled with mineral filling layer 6, mineral filling layer 6 is mica, wire core 2 includes copper conductor 3, tape layer 4 and mineral composite insulation layer 5, copper conductor 3 is provided with several, copper conductor is twisted from copper guide wire, tape layer 4 is wound in the outside of copper conductor 3, mineral composite insulation layer 5 is extruded and wrapped in the outside of tape layer 4, tape layer 4 is mica tape, the outside of mineral filling layer 6 is provided with mineral wrapping layer 7, mineral wrapping layer 7 is wound in the outside of mineral filling layer 6, mineral wrapping layer 7 is glass silk tape, the outside of mineral wrapping layer 7 is provided with copper sheath 8, the outside of copper sheath 8 is provided with boss 801, copper sheath 8 is made of copper band longitudinal wrapping continuous argon arc welding, boss 801 and copper sheath 8 are integral structure, boss 801 is provided with several, several bosses 801 are sequentially distributed in one end of copper sheath 8, the outside of copper sheath 8 is provided with anti-bite layer 9, the outside of anti-bite layer 9 is provided with outer sheath 10, outer sheath 10 is extruded and wrapped in the outside of anti-bite layer 9, wherein through tape layer 4 can be well wrapped copper conductor, so that copper conductor can be more fastened, through mineral wrapping layer 7 can be tightened between wire core 2 and mineral filling layer 6, the boss 801 of copper sheath 8 set by being set can be well improved the anti-bite performance of cable, can improve the friction effect between copper sheath 8 and anti-bite layer 9, through the anti-bite layer 9 set, the anti-bite performance of cable can be improved, it needs to be explained, in order to save length, highlight the innovation elements of this patent, such as the specific working principle and preparation process of cable, not in this patent is described.

[0031] Please refer to Figure 1 、 Figure 3 and Figure 4The anti-biting layer 9 comprises a protective sleeve 901 and a repellent 902, the protective sleeve 901 is extruded on the outside of the copper sheath 8, and the repellent 902 is sprayed on the outside of the protective sleeve 901 by a spraying process, the outside of the outer sheath 10 is provided with protective ends 1001, the protective ends 1001 are in an integral structure with the outer sheath 10, the protective ends 1001 are provided in plurality, and the plurality of protective ends 1001 are distributed in sequence on the outside of the outer sheath 10, wherein the repellent 902 can drive some small animals by being sprayed on the outside of the protective sleeve 901, so that the cable can be prevented from being bitten by the small animals, and the protective ends 1001 provided on the outer sheath 10 can protect the outer sheath 10 when the cable is bitten, so that the outer sheath 10 is not easily damaged by biting, thereby the cable can be well protected.

[0032] Working principle: when in use, the copper sheath 8 provided can make the cable have better anti-biting effect, the protrusions 801 provided can improve the anti-biting effect and improve the friction between the copper sheath 8 and the anti-biting layer 9, so that the copper sheath 8 is prevented from sliding, the repellent 902 is sprayed on the outside of the protective sleeve 901, the repellent 902 can drive small animals when the outer sheath 10 is damaged, so that the cable is prevented from being further bitten, and the protective ends 1001 provided on the outer sheath 10 can protect the outer sheath 10 when the outer sheath 10 is bitten, so that the outer sheath 10 is not easily damaged by biting, thereby the cable can be well protected.

[0033] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A flexible mineral-insulated bite-resistant fire-resistant cable comprising a core (1), characterized in that: The cable core (1) comprises a wire core (2) and a mineral filling layer (6), the wire core (2) comprises a copper conductor (3), a wrapping layer (4) and a mineral composite insulation layer (5), the outside of the mineral filling layer (6) is provided with a mineral wrapping layer (7), the outside of the mineral wrapping layer (7) is provided with a copper sheath (8), the outside of the copper sheath (8) is provided with a bump (801), the outside of the copper sheath (8) is provided with a bite-proof layer (9), the outside of the bite-proof layer (9) is provided with an outer sheath (10), and the outer sheath (10) is extruded on the outside of the bite-proof layer (9).

2. A flexible mineral insulated bite-resistant fire resistant cable according to claim 1, characterised in that: The cable core (1) is filled with a mineral filling layer (6) at the gap between the wire core (2), and the mineral filling layer (6) is mica.

3. A flexible mineral insulated bite-resistant fire resistant cable according to claim 2, characterised in that: The copper conductor (3) is provided with a plurality of copper conductive wires, the wrapping layer (4) is wrapped outside the copper conductor (3), and the mineral composite insulation layer (5) is extruded outside the wrapping layer (4).

4. A flexible mineral insulated, bite-resistant, fire resistant cable according to claim 3, characterised in that: The mineral wrapping layer (7) is wrapped outside the mineral filling layer (6), and the mineral wrapping layer (7) is a glass silk tape.

5. A flexible mineral-insulated bite-resistant fire resistant cable according to claim 4, characterised in that: The copper sheath (8) is formed by longitudinally wrapping a copper tape and continuously argon arc welding, the bump (801) is an integral structure with the copper sheath (8), the bump (801) is provided with a plurality of bumps, and the plurality of bumps (801) are distributed in sequence at one end of the copper sheath (8).

6. A flexible mineral-insulated bite-resistant fire resistant cable according to claim 5, characterised in that: The bite-proof layer (9) comprises a protective sleeve (901) and a repellent (902), the protective sleeve (901) is extruded outside the copper sheath (8), and the repellent (902) is sprayed on the outside of the protective sleeve (901) by a spraying process.

7. A flexible mineral-insulated bite-resistant fire resistant cable according to claim 6, characterised in that: The outside of the outer sheath (10) is provided with a protective end (1001), the protective end (1001) is an integral structure with the outer sheath (10), the protective end (1001) is provided with a plurality of protective ends, and the plurality of protective ends (1001) are distributed in sequence around the outside of the outer sheath (10).

Images